An Interior Pack is the interior trim that syncs with an exterior Handleset to make a complete front door locking units. Interior Packs consist of a knob or lever trim and matching deadbolt turn. We stock Interior Packs as separate stand-along units so that you can have your choice of any knob or lever in any finish on the inside of your front door. There are two functions of Interior Packs: Single Cylinder (that sync with Single Cylinder Handlesets) and Dummy-Inactive Interior Packs (that sync with Dummy-Inactive Handlesets). While all Kwikset Knobs and Levers are available in Interior Pack format, they are specific in terms of matching up to various Handlesets: